388900008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 256

約数和(自身を含む): 1318809600

約数和(自身を除く): 929909592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 53, 54, 56, 63, 69, 72, 84, 92, 106, 108, 126, 138, 159, 161, 168, 184, 189, 207, 211, 212, 216, 252, 276, 318, 322, 371, 378, 414, 422, 424, 477, 483, 504, 552, 621, 633, 636, 644, 742, 756, 828, 844, 954, 966, 1113, 1219, 1242, 1266, 1272, 1288, 1431, 1449, 1477, 1484, 1512, 1656, 1688, 1899, 1908, 1932, 2226, 2438, 2484, 2532, 2862, 2898, 2954, 2968, 3339, 3657, 3798, 3816, 3864, 4347, 4431, 4452, 4853, 4876, 4968, 5064, 5697, 5724, 5796, 5908, 6678, 7314, 7596, 8533, 8694, 8862, 8904, 9706, 9752, 10017, 10971, 11183, 11394, 11448, 11592, 11816, 13293, 13356, 14559, 14628, 15192, 17066, 17388, 17724, 19412, 20034, 21942, 22366, 22788, 25599, 26586, 26712, 29118, 29256, 32913, 33549, 33971, 34132, 34776, 35448, 38824, 39879, 40068, 43677, 43884, 44732, 45576, 51198, 53172, 58236, 65826, 67098, 67942, 68264, 76797, 78281, 79758, 80136, 87354, 87768, 89464, 100647, 101913, 102396, 106344, 116472, 131031, 131652, 134196, 135884, 153594, 156562, 159516, 174708, 201294, 203826, 204792, 230391, 234843, 257209, 262062, 263304, 268392, 271768, 301941, 305739, 307188, 313124, 319032, 349416, 402588, 407652, 460782, 469686, 514418, 524124, 603882, 611478, 614376, 626248, 704529, 771627, 805176, 815304, 917217, 921564, 939372, 1028836, 1048248, 1207764, 1222956, 1409058, 1543254, 1800463, 1834434, 1843128, 1878744, 2057672, 2113587, 2314881, 2415528, 2445912, 2818116, 3086508, 3600926, 3668868, 4227174, 4629762, 5401389, 5636232, 6173016, 6944643, 7201852, 7337736, 8454348, 9259524, 10802778, 13889286, 14403704, 16204167, 16908696, 18519048, 21605556, 27778572, 32408334, 43211112, 48612501, 55557144, 64816668, 97225002, 129633336, 194450004, 388900008]

約数ペア:

[(1, 388900008), (2, 194450004), (3, 129633336), (4, 97225002), (6, 64816668), (7, 55557144), (8, 48612501), (9, 43211112), (12, 32408334), (14, 27778572), (18, 21605556), (21, 18519048), (23, 16908696), (24, 16204167), (27, 14403704), (28, 13889286), (36, 10802778), (42, 9259524), (46, 8454348), (53, 7337736), (54, 7201852), (56, 6944643), (63, 6173016), (69, 5636232), (72, 5401389), (84, 4629762), (92, 4227174), (106, 3668868), (108, 3600926), (126, 3086508), (138, 2818116), (159, 2445912), (161, 2415528), (168, 2314881), (184, 2113587), (189, 2057672), (207, 1878744), (211, 1843128), (212, 1834434), (216, 1800463), (252, 1543254), (276, 1409058), (318, 1222956), (322, 1207764), (371, 1048248), (378, 1028836), (414, 939372), (422, 921564), (424, 917217), (477, 815304), (483, 805176), (504, 771627), (552, 704529), (621, 626248), (633, 614376), (636, 611478), (644, 603882), (742, 524124), (756, 514418), (828, 469686), (844, 460782), (954, 407652), (966, 402588), (1113, 349416), (1219, 319032), (1242, 313124), (1266, 307188), (1272, 305739), (1288, 301941), (1431, 271768), (1449, 268392), (1477, 263304), (1484, 262062), (1512, 257209), (1656, 234843), (1688, 230391), (1899, 204792), (1908, 203826), (1932, 201294), (2226, 174708), (2438, 159516), (2484, 156562), (2532, 153594), (2862, 135884), (2898, 134196), (2954, 131652), (2968, 131031), (3339, 116472), (3657, 106344), (3798, 102396), (3816, 101913), (3864, 100647), (4347, 89464), (4431, 87768), (4452, 87354), (4853, 80136), (4876, 79758), (4968, 78281), (5064, 76797), (5697, 68264), (5724, 67942), (5796, 67098), (5908, 65826), (6678, 58236), (7314, 53172), (7596, 51198), (8533, 45576), (8694, 44732), (8862, 43884), (8904, 43677), (9706, 40068), (9752, 39879), (10017, 38824), (10971, 35448), (11183, 34776), (11394, 34132), (11448, 33971), (11592, 33549), (11816, 32913), (13293, 29256), (13356, 29118), (14559, 26712), (14628, 26586), (15192, 25599), (17066, 22788), (17388, 22366), (17724, 21942), (19412, 20034)]